Last updated: August 23, 2025
In Suomenniemi, Finland, the average temperature in May hovers around 9°C (49°F). You can expect a range from a chilly minimum of -3°C (28°F) to a warm maximum of 27°C (81°F). Over the course of the month, 54 mm (2.1 in) of precipitation is typically distributed across 11 days, with an average humidity level of 75%. Stay prepared for varying weather conditions!
In May in Suomenniemi, the average temperature is 9°C (49°F). Maximums can reach 27°C (81°F), while minimums can drop as low as -3°C (28°F). This variability in temperature makes it essential to pack both warm and light clothing for your trip.
In Suomenniemi in May, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.
In Suomenniemi in May, humidity is 75%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and causing your clothes to cling uncomfortably. It's advisable to dress in layers to stay warm, while also being prepared for the persistent moisture in the air that can leave you feeling a bit sluggish throughout your travels.
In Suomenniemi in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Suomenniemi.
UV Risk Categories
Weather in Suomenniemi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Suomenniemi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 47 mm (1.9 inches) | 98% | low |
| February Weather | -5°C (23°F) | 48 mm (1.9 inches) | 96% | low |
| March Weather | -2°C (29°F) | 44 mm (1.7 inches) | 93% | moderate |
| April Weather | 3°C (37°F) | 43 mm (1.7 inches) | 87% | moderate |
| May Weather | 9°C (49°F) | 54 mm (2.1 inches) | 75% | moderate |
| June Weather | 16°C (61°F) | 59 mm (2.3 inches) | 74% | high |
| July Weather | 18°C (64°F) | 81 mm (3.2 inches) | 80% | high |
| August Weather | 16°C (61°F) | 89 mm (3.5 inches) | 85% | moderate |
| September Weather | 11°C (52°F) | 67 mm (2.6 inches) | 90% | moderate |
| October Weather | 6°C (43°F) | 76 mm (3.0 inches) | 94% | low |
| November Weather | 2°C (36°F) | 49 mm (1.9 inches) | 94% | low |
| December Weather | -3°C (27°F) | 69 mm (2.7 inches) | 96% | low |